Ground bot dialogue and add bounded conversational follow-ups

tests/conversation.test.cjs

@@ -1,6 +1,7 @@
 const {test}=require('node:test');
 const assert=require('node:assert/strict');
 const queue=require('../.test-build/conversation-store.js');
+const actualQueueSocialReply=queue.queueSocialReply;
 const ale=require('../.test-build/ale-store.js');
 require('../.test-build/community.js').communityTick=async()=>{};
 const {runConversationTick}=require('../.test-build/conversation.js');
@@ -43,6 +44,7 @@ test('conversation failure, queued delivery, confirmed memory and replay safety'
 
 test('social exchanges remember both residents only after confirmed reply and replays are harmless',async()=>{
  const a={id:'a',name:'A',status:'online',autonomy:{managed:true},memories:[],relationships:[],personality:{},race:'Orc',role:'Warrior'};
+ a.world={at:Date.now()/1000,mapId:0,team:0,x:0,y:0};
  const b={...a,id:'b',name:'B',memories:[],relationships:[]};
  const state={revision:0,sequence:0,events:[],bots:[a,b],settings:{provider:'ollama',model:'test',brains:{enabled:false,residentMemoryLimit:5,residentMaxTokens:100}}};
  const store={load:async()=>state,save:async()=>{}};
@@ -75,3 +77,25 @@ test('social exchanges remember both residents only after confirmed reply and re
   assert.equal(a.memories.length,1);assert.equal(b.memories.length,1);assert.equal(followups,1);
  }finally{global.fetch=originalFetch;}
 });
+
+ test('follow-ups alternate speakers, retain encounter deadline and stop at four lines or farewell',async()=>{
+  const rows=[];const db={prepare:()=>({bind:(...args)=>({run:async()=>{rows.push(args);}})})};
+  const createdAt=new Date().toISOString();
+  for(let turn=0;turn<4;turn++)await actualQueueSocialReply(db,{id:'social-test'+':reply'.repeat(turn),createdAt,socialTurn:turn,speakerName:turn%2?'A':'B',zoneName:'Forest'},turn%2?'B':'A','Still looking for those last two.');
+  assert.equal(rows.length,3);
+  assert.deepEqual(rows.map(r=>r[4]),['social-reply','social-turn-2','social-turn-3']);
+  assert.ok(rows.every(r=>r[1]===createdAt));
+  assert.deepEqual(rows.map(r=>[r[2],r[6]]),[['A','B'],['B','A'],['A','B']]);
+  await actualQueueSocialReply(db,{socialTurn:1,createdAt},'B','See you later!');
+  await actualQueueSocialReply(db,{socialTurn:1,createdAt:new Date(Date.now()-121000).toISOString()},'B','Hello');
+  assert.equal(rows.length,3);
+ });
+ test('busy social pair is rejected before spending inference',async()=>{
+  const bot={id:'a',name:'A',status:'online',autonomy:{managed:true},world:{at:Date.now()/1000,mapId:0,team:0,x:0,y:0,humanControlled:true}};
+  const state={bots:[bot,{...bot,id:'b',name:'B'}]};
+  queue.pendingDeliveries=async()=>[];queue.cleanupConversations=async()=>{};
+  queue.leaseConversation=async()=>({id:'social-busy',socialTurn:2,createdAt:new Date().toISOString(),speakerName:'B',selectedPlayer:'A',channel:'say',nearbyBots:['B']});
+  let error='';queue.failConversation=async(_db,_id,e)=>{error=e;};
+  await assert.rejects(runConversationTick({load:async()=>state},{},{}),/no longer available/);
+  assert.match(error,/no longer available/);
+ });